Regulation of Postprandial Nitric Oxide Bioavailability and Vascular Function By Dairy Fat
PrediabetesCardiovascular disease (CVD) is the leading cause of death in the United States. Short-term increases in blood sugar, or postprandial hyperglycemia (PPH), affect blood vessel function and increase the risk of CVD. Greater intakes of dairy foods have been associated with a lower risk of CVD, but whether these effects occur directly or indirectly by displacing foods in the diet that might increase CVD risk is unclear. Further controversial is the extent to which dietary fat derived from dairy foods regulate the risk of CVD. The health benefits of dairy on CVD risk are at least partly attributed to its ability to limit PPH and resulting PPH-mediated responses leading to vascular dysfunction. This provides rationale to investigate full-fat containing dairy as a dietary strategy to reduce PPH and risk for heart disease. The objective of this project is to define the extent to which full-fat dairy milk compared to non-fat dairy milk protects against PPH-induced vascular dysfunction by reducing oxidative stress responses that limit nitric oxide bioavailability to the vascular endothelium in adults with prediabetes.
Improving Beta Cell Function in Mexican American Women With Prediabetes
Pre-DiabetesThis study will examine the benefits of weight loss alone or in combination with a GLP1 receptor agonist, liraglutide, on beta cell function in young adult Mexican American (MA) women with prediabetes. The Investigators have chosen to focus on MA women because MA women are at very high risk for progression to diabetes and have not traditionally been involved in weight management studies since they are thought to be difficult to recruit and retain in such programs. However, investigators have had particular success in working with young MA women using specifically developed ethnic and gender conscious programs. Because weight loss does not prevent all progression to diabetes, some participants will receive the diabetes medication, liraglutide, which has been shown to stabilize beta cell function. The study will also interrogate for polymorphisms of known T2DM genes to correlate with beta cell response to weight loss and liraglutide treatment. Additionally, this investigation targets serious health disparities in metabolic disease in a highly vulnerable, rapidly growing population, testing novel gender and culturally focused intervention strategies and identifying genetic biomarkers of response to a pharmacologic intervention that targets the pancreatic ßcell. These results will help to a) understand mechanisms of disease, b) personalize treatment through identification of a high risk group that may be amenable to specific therapy, and c) ultimately, sets the stage for an intervention trial to prevent diabetes, a major chronic and costly disease, in Mexican Americans.
Undiagnosed Diabetes in a Dental Setting
Prediabetic StateType 2 Diabetes Mellitus With Oral Complications2 moreIn an ongoing study new dental patients are screened to determine their risk of having undiagnosed pre-diabetes or diabetes based on risk factors readily known by the patient and signs of gum disease. Investigators further seek to assess if a post-identification intervention leads to a greater likelihood of study participants identified as potentially pre-diabetic or diabetic visiting their physician regarding their screening blood test results, and to improved health outcomes.
FRESH Study (Fitness, Relaxation and Eating to Stay Healthy)
PrediabetesOverweightTo examine whether a lifestyle program results in weight loss and thereby delays or prevents progression of pre-diabetes to diabetes, we propose a pilot randomized controlled trial of 6 weeks duration with 30 participants held at Stephanie Tubbs Jones Health Center. Participants are randomized to receive all of the following: nutrition education, exercise instruction, stress management instruction, and culinary education or follow usual care. Outcomes include: blood sugars and cholesterol, weight, waist circumference, blood pressure, diet, physical activity, perceived stress, and class attendance. Analysis is by Intention to treat analysis of variance. Results will be used to help design larger randomized trial in the future.
Translating a Heart Disease Lifestyle Intervention Into the Community
ObesityHyperlipidemia3 moreTranslating a Heart Disease Lifestyle Intervention in the Community study will evaluate the feasibility and initial effectiveness of a community-based, culturally-targeted, lifestyle intervention to improve the cardiovascular health of underserved South Asian (Indian, Pakistani, Bangladeshi, Nepali, and Sri Lankan) Americans. Participants in this study will be randomly assigned to either a group to receive heart disease prevention classes or to another group where they will receive written materials about heart disease prevention.
Latinos Combating Diabetes
Pre DiabetesObesity1 moreThe investigators plan to test two different strategies for weight loss and diabetes prevention in the Latino community in and around Forsyth County, North Carolina. The study is designed to test the hypothesis that a lifestyle weight-loss program implemented within the Latino community will have a more beneficial and clinically meaningful impact on hemoglobin A1c (HbA1c), insulin metabolism, and markers of the metabolic syndrome when compared to an enhanced usual care condition. This lifestyle intervention will include group-based sessions promoting healthy eating, increased physical activity and weight loss. These sessions will be delivered by lay community members, known as Latino Health Advisors (LHAs). The enhanced usual care group will consist of individual counseling with are registered dietitian and uses existing community resources to assist participants in making healthier lifestyle choices.
Anti-diabetic Effects of Persimmon Leaf Extract
PrediabetesThe investigators performed a 8-week, randomized, double-blind, placebo-controlled crossover human trial to evaluate the efficacy and safety of persimmon leaf extract on blood glucose. The investigators measures changes in diabetes associated parameters, including fasting blood glucose, postprandial blood glucose, insulin, C-peptide and HbA1c.
The PRE-D Trial: Effect of Dapagliflozin, Metformin and Physical Activity in Pre-diabetes
Prediabetic StateObesityThe overall objective is to compare the short-term (3 months) effectiveness of three glucose-lowering interventions (dapagliflozin, metformin and physical activity) on glucose variability, body composition, and cardiometabolic risk factors in overweight or obese individuals with pre-diabetes (HbA1c 5.7-6.4% / 39-47 mmol/mol).
Preventing Diabetes in Those at Risk by Having a Facilitator and Family Doctor Encourage Healthy...
PrediabetesNearly six million Canadians are living with an increased risk of diabetes (prediabetes) and approximately 50% of these will develop type 2 diabetes within five years. The investigators wish to help these people change their lifestyle, to prevent them from getting diabetes. Trials have shown that by supporting people with prediabetes to be more active and have healthier eating habits they can halve their risk. However, these interventions were very costly and not performed in Canada. With the help of local Family Physicians and other health professionals (e.g. physiotherapy, psychology, endocrinology, nursing) the investigators have created a less expensive intervention suitable for the Canadian population and health system. The investigators need to perform a study to see whether these modified approaches are practical for Canadians and likely to be effective. People at risk will be invited to participate from family practices that have helped us in the initial stages of this program. Family practices will be randomized to giving either the study intervention or continue with the physician's usual care. People receiving the intervention will have an appointment with their family doctor to discuss their exercise and eating habits and agree changes that are necessary. A prescription detailing these changes will be completed and signed by the family physician and participant. Participants will be given the name of a lifestyle change facilitator (LCF) who will receive a copy of the prescription and contact the participant to help them set achievable goals. The LCF will contact participants once a month for six months to help them achieve these goals. The investigators eventual aim is to test this intervention in a large-scale randomized control trial. To achieve this it is necessary to pilot all aspects of the trial. Information from the pilot study can then be used to design and perform a large-scale study effectively. The investigators hope that eventually the numbers of Canadians progressing to having diabetes will be reduced.
Use of Mobile Technology to Promote Sustained Lifestyle Changes to Prevent Type 2 Diabetes in India...
Prediabetic StatePrimary prevention of diabetes is of paramount importance in both developed and in developing countries. Several studies including the Indian Diabetes Prevention Programmes have shown that Lifestyle modification in people with prediabetes can reduce the progression to diabetes by 58%. However, there are two main problems in applying diabetes prevention strategies to the population as a whole. (1) Trial based interventions are unrealistic on a population level in any country. (2) The oral glucose tolerance test applied so far to identify those at high risk is a poorly reproducible and time consuming test both for the participant and for health care workers. Hence more practical means of defining individuals who would benefit from lifestyle intervention are required. The current study proposes a prevention strategy that will employ a lifestyle modification programme delivered by text messaging in both India and the UK.Subjects will be identified based on the HbA1c measurement instead of the oral glucose tolerance test. The study will also assess the efficacy, acceptability and cost effectiveness of mobile phone based intervention both in India and the UK. Messages will be based to deliver education, treatment targets, advice, support and motivation. Subjects will be invited to participate and, once recruited, will be randomised to usual care or the SMS intervention group. Usual care will consist of a one-to-one 30 minute interview, conducted by the research team, delivering personalised diet and exercise advice. The intervention group will undergo the same initial interview and, in addition, will receive 3 times weekly text messaging with education, advice, support and motivation. These messages will be personalised to individual targets set at the initial interview. Primary Outcome:Progression to Diabetes Secondary Outcomes will be based on Physical activity / Cardiovascular risk factors/and quality of life. The study programme is compatible with major initiatives in both the UK and India for the prevention of diabetes and cardiovascular disease (CVD).